EP1747408B1 - Klimaanlage und steuerverfahren dafür - Google Patents

Klimaanlage und steuerverfahren dafür Download PDF

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Publication number
EP1747408B1
EP1747408B1 EP03772921.7A EP03772921A EP1747408B1 EP 1747408 B1 EP1747408 B1 EP 1747408B1 EP 03772921 A EP03772921 A EP 03772921A EP 1747408 B1 EP1747408 B1 EP 1747408B1
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EP
European Patent Office
Prior art keywords
user
air conditioner
air
information
humidity
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP03772921.7A
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English (en)
French (fr)
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EP1747408A1 (de
Inventor
Min Chul Cho
Sung Hwa Lee
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LG Electronics Inc
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LG Electronics Inc
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Publication date
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Publication of EP1747408A1 publication Critical patent/EP1747408A1/de
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Publication of EP1747408B1 publication Critical patent/EP1747408B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/50—Control or safety arrangements characterised by user interfaces or communication
    • F24F11/56—Remote control
    • F24F11/58—Remote control using Internet communication
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2110/00—Control inputs relating to air properties
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2110/00—Control inputs relating to air properties
    • F24F2110/10—Temperature
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2110/00—Control inputs relating to air properties
    • F24F2110/20—Humidity
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2120/00—Control inputs relating to users or occupants
    • F24F2120/20—Feedback from users

Definitions

  • the present invention relates to air conditioners, and more particularly, to an air conditioner which conditions at a temperature, humidity, and the like most suitable to a user, and a method for controlling the same.
  • the air conditioner maintains a temperature, a humidity, and the like of a desired space to suitable states by using a refrigerating cycle consisting of a compressing, condensing, expansion, and evaporating processes of refrigerant.
  • the processes of the refrigerating cycle is carried out by a compressor, a condenser, an expansion valve, and an evaporator, provided to an indoor unit or an outdoor unit placed in a room or an outdoor.
  • the indoor unit is provided with an evaporator for absorbing heat, and an evaporator fan (indoor flan)
  • the outdoor unit is provided with a compressor and a compressor fan (outdoor fan).
  • the condenser may be provided to the indoor unit.
  • the indoor unit has an inlet grill in a lower part thereof for drawing room air, and an outlet grill in an upper part thereof for discharging the air having heat exchanged at the evaporator and conditioned to a required temperature to the room again.
  • the outlet grill has vertical louvers and horizontal louvers for regulating wind direction of the discharged air in vertical and horizontal directions.
  • the related art air conditioner is controlled uniformly, such that the temperature and humidity of the room are within ranges generally considered comfortable without taking a user into account. That is, the related art air conditioner is controlled such that the temperature and the relative humidity of the room are simply within ranges of about 22 ⁇ 26°C and 30 ⁇ 60 % respectively without taking the user into account, even though the temperature and the humidity that a person feels comfortable differ from person to person. Therefore, it has been difficult for the related art air conditioner to air condition the room at a temperature, and a humidity optimal to a person.
  • Prior art document WO 80/12269 discloses a controller and a related method that maintains thermal comfort in an occupied space at a user-defined level by simultaneously maximising the efficiency of the space conditioning equipment.
  • the controller determines the setting of heating/cooling capacity, indoor airflow rate, evaporator superheat and other system parameters such that a comfort constraint is satisfied.
  • the comfort index may be any arbitrarily-defined relationship of measured or inferred quantities such as air temperature, relative humidity, air velocity, mean radiant temperature, CO2 concentration, etc..
  • Fanger's Predicted Mean Vote PMV is used as a measure of comfort.
  • the PMV is based on an energy balance imposed on the human body.
  • the input means allows the user to input his desired conditions on each parameter to be controlled in the environment. These inputs are automatically converted to a comfort index setting point by the controller.
  • Document US 2003/0236626 discloses a system for managing a particular environment according to environmental sensitivity preferences designated by a user on a personal-storage device. The system does not go into operation when the personal-storage device is missing. Thus, a system is disclosed that only works when a single user connects his personal-storage device to the system.
  • An object of the present invention is to provide an air conditioner, and a method for controlling the same, which can provide an optimum state to a user.
  • the present invention provides an air conditioner having a compressor, a compressor fan, an evaporator, and an evaporator fan, including an input part for receiving user information which is a basic data on a user, a controlling part for classifying user types based on the user information, determining a comfort zone according to the user type, and controlling different parts of the air conditioner to satisfy the comfort zone.
  • the user type is classified by at least one of sensitivities to a temperature, a humidity, a wind direction, and a wind speed
  • the comfort zone is at least one of the temperature, the humidity, the wind direction, and the wind speed.
  • the user information is at least one kinds of basic information intrinsic to the user, variable information that that is variable depending on a user's state, and selective information that is selected by the user.
  • the basic information includes at least a face shape, and year, month, and day of birth.
  • the variable information includes at least the present health state of the user.
  • the selective information includes subjective sensitivities to the temperature, the humidity, the wind direction, and the wind speed, the user feels.
  • the comfort zone is defined with enthalpies and temperatures on a psychrometric chart.
  • the comfort zone further includes the air direction and the air speed.
  • the input part is a combination of at least one of a keypad for the user to input the user information personally, a camera for taking a photograph of the user, a scanner for scanning a user's photograph, and a personal computer connected to the air conditioner through a network.
  • the air conditioner as further includes an output part for displaying the comfort zone fixed according to the user type.
  • the air conditioner controls the compressor, the compressor fan, the evaporator, and the evaporator fan for controlling the temperature and the humidity.
  • the air conditioner preferably further includes a humidify sensing part for sensing humidity. More preferably, the air conditioner further includes a humidifying part, and a dehumidifying part. More preferably, the air conditioner further includes an air direction controlling part for controlling the direction of air from the air conditioner.
  • a method for controlling an air conditioner including the steps of inputting user information which is a basic data on a user, classifying user types based on the user information, and determining a comfort zone according to the user type.
  • the step of classifying user types based on the user information includes the step of classifying the user type at least one of sensitivities to a temperature, a humidity, and an air direction, and an air speed, and the step of determining a comfort zone according to the user type includes the step of determining at least one of the temperature, humidity, the air direction, and the air speed.
  • the step of inputting user information which is basic data on a user includes the step of inputting at least one kind of basic information intrinsic to the user, variable information that is variable depending on a user's state, and selective information that is selected by the user.
  • the present invention can air condition the most suitable to the user who uses the air conditioner.
  • a comfort zone ranges of temperature and humidity (called as a comfort zone) are fixed uniformly, in which it is considered that a user feels comfortable, and the related art air conditioner is controlled such that a space (called as a 'cooling space') intended to cool, such as a room, is within the comfort zone.
  • the comfort zone set by ASHRAE is used as the comfort zone, which falls on zone in which the temperature is in a range of 22 ⁇ 26°C, and the relative humidity is in a range of 30 ⁇ 60%. That is, in the related art, no user who uses the air conditioner is taken into account, the air conditioner is controlled uniformly such that the cooling space is within the comfort zone.
  • the comfort zone differs from person to person, it is not preferable to fix the comfort zone uniformly. That is, a temperature, and a humidity at which one person feels comfortable may not be comfortable to other person.
  • the comfort zone differs significantly depending on personal, or subjective factors, such as health conditions, physical constitutions, years, months, and days of births, biorhythms, races, sex, age, occupations, and the like.
  • personal sensitivities to the temperature, humidity, flow rate, and air speed have close relations with the health conditions and the physical constitutions.
  • other personal factors, such as ages, sex, and races give secondary influences to the sensitivities of temperature, and humidity.
  • the users of the air conditioner are classified into types, and different comfort zones are set for the different types of users.
  • the user types are classified with reference to preset criteria, different comfort zones (hereafter called as “modified comfort zone”) are fixed according to the different user types, and the air conditioner is controlled such that the cooling space is within ranges of the modified comfort zone. That is, as shown in arrows in FIG. 1 , it is preferable that the comfort zone on the psychrometric chart is shifted appropriately according to the user type.
  • the method for controlling an air conditioner in accordance with a preferred embodiment of the present invention includes the steps of providing user information of the air conditioner (S3), classifying a user type based on the user information (S5), determining a comfort zone according to the user type (S7), and controlling the air conditioner to achieve the comfort zone (S9).
  • the user types can be classified in different methods, it is the most preferable that the user types are classified with reference to the personal sensitivities to the temperature and humidity mainly, and to the flow rate and wind speed of air supplementarily, based on which the comfort zone is determined, and the air conditioner is controlled such that the cooling space is within the determined comfort zone, i.e., the cooling space is within preset ranges of temperature, humidity, wind direction, and wind speed of air.
  • the user information is dependent on each user, and preferably, at least one kind of basic information intrinsic to the user, that is not changeable, variable information that is variable depending on a user's state, and selective information that is selected by the user, and therefore has a strong sense of subjectivity.
  • the basic information is intrinsic information if the user is fixed, such as, race, sex, year, month, and day of birth, and face shape, of the user.
  • the variable information is information that, though not intrinsic, can influence to the personal sensitivities to the temperature and humidity, and variable depending on a user's state, such as the present health condition, and personal disease history.
  • the selective information is basic information that can be made objective to a certain degree, and information that, different from the variable information, has a strong sense of subjectivity, such as information representing a degree of sensitivity to a temperature, and humidity the user feels.
  • the type of the user is fixed.
  • the user type can be classified in a variety of methods, since the air conditioner is controllable with respect so a temperatures, humidity, an air direction, and the speed of the air, it is preferable that the classification represents degrees of sensitivities to the temperature, the humidity, the wind direction, and the wind speed. humidity, the and the speed. a
  • a correlation between the user information and the user type is determined, statistically.
  • any form of user type classification is viable. For an example, correlations of a height, a weight, a fatness, a native place, an occupation, and the like of the user to the user sensitivity to the temperature, the humidity, and the wind speed may be found out.
  • the researches of the inventor reveal that students or muscular laborers prefer a low temperature, while women dislike a low temperature.
  • the user classification may be based on variable information, such as user's health state, or the like, used independently, or additionally.
  • the user classification may based on the selective information, such as the user's subjective sensitivity to the temperature, the humidity, the air direction, and the air speed, used independently, or additionally.
  • the air conditioner is controlled with respect to the temperature, enthalpy, the air speed, and air flow rate. For an example, if the air conditioner is controlled to increase the enthalpy in a case it is required to increase the relative humidity, the relative humidity is increased at the end.
  • FIG. 3 an example of a preferable air conditioner for embodying the foregoing method for controlling an air conditioner of the present invention will be described.
  • the air conditioner includes a controlling part 1 for controlling the air conditioner.
  • the controlling part 1 has an input part 12 connected thereto for user's input of various instructions thereto, and a temperature sensing part 14 connected thereto for sensing room and outdoor temperatures. It is preferable that the controlling part 1 has a humidity sensing part 16 connected thereto for measuring the humidity, and controlling the humidity, precisely.
  • the input part 12 may be a keypad for the user to input the user information personally, or a camera for taking a photograph of the user, or a scanner for scanning a user's photograph.
  • a personal computer 20 may be connected to the controlling part 1 of the air conditioner through a network, so that the user information is provided to the personal computer 20 at first, and the user information is provided to the controlling part 1.
  • the network may be a LAN between the air conditioner and the personal computer 20, or the INTERNET.
  • controlling part 1 has a program for determining the user type in a case the controlling part 1 receives information.
  • a database of the user information and the user types is prepared, and the user determines the user's physical constitution with reference to the database, and inputs to the controlling part 1.
  • the controlling part 1 has an output part 32 connected thereto for displaying various kinds of information for the user.
  • the output part 32 has a function for displaying information on things the user inputs through the input part 12, and the present temperature, the humidity, and the like, and preferably the comfort zone fixed according to the user type.
  • the controlling part also has a compressor driving part 34, a compressor fan driving part 36, an evaporator fan driving part 38, for appropriate control of the compressor driving part 34, the compressor fan driving part 36, and the evaporator fan driving part 38, to control the temperature and the humidity, and the air flow rate from the air conditioner can be controlled by controlling the evaporator fan driving part 38.
  • the evaporator is inverter controlled.
  • the evaporator temperature is increased and/or reduces the wind speed
  • the evaporator temperature is dropped and/or increases the wind speed.
  • a humidifying mode is carried out, i.e., the evaporator temperature is increased, and when it is intended to drop the humidity, a dehumidifying mode is carried out, i.e., the evaporator temperature is dropped sharply, and the wind speed is increased.
  • controlling part 1 has a heating part 58 like a heater, a dehumidifying part 54 like a dehumidifier, and a humidifying part 36 like a humidifier connected thereto, further. Because, even though the temperature and the humidity can be controlled by controlling the compressor, the compressor fan, and the evaporator fan, positive heating, humidifying, and dehumidifying are required for more precise control of the temperature and the humidity.
  • an air direction controlling part 52 is connected to the controlling part 1 for controlling a direction of air from the air conditioner.
  • the air direction controlling part 52 controls operation of the vertical louvers and the horizontal louvers provided to the outlet grill of the air conditioner.
  • the vertical louvers and the horizontal louvers are rotated in up/down and left/right directions at regular intervals for controlling the wind direction in up/down and left/right directions, simply.
  • the vertical louvers and the horizontal louvers are controlled according to the user type, such that the air is directed to a place other than the user by controlling the louver, if the user type is a type that dislikes a draught.
  • the present invention is also applicable.
  • a plurality of user types are classified, and a common denominator is find out, and the air conditioner is controlled appropriately according to the common denominator.
  • the principle of the present invention is applicable.
  • the air conditioner, and method for controlling the same can air condition suitable to the user's physical constitution that uses the air conditioner, comfortably.
  • the automatic control of the air conditioner to the temperature, the humidity, the flow rate, and the air speed the most suitable to the user leads the user not to change setting of the operation condition of the air conditioner frequently, that permits energy saving.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fuzzy Systems (AREA)
  • Mathematical Physics (AREA)
  • Signal Processing (AREA)
  • Human Computer Interaction (AREA)
  • Air Conditioning Control Device (AREA)

Claims (9)

  1. Klimaanlage mit
    einem Verdichter,
    einem Verdichtergebläse,
    einem Verdampfer; und
    einem Verdampfergebläse,
    ferner umfassend:
    einen Eingabeteil zum Empfangen von Benutzerinformationen; und
    einen Steuerungsteil zum Bestimmen einer Komfortzone gemäß den Benutzerinformationen und Steuern des Verdichters, des Verdichtergebläses, des Verdampfers und des Verdampfergebläses einer Klimaanlage, sodass die Bedingungen der Komfortzone erfüllt sind;
    dadurch gekennzeichnet, dass
    die Benutzerinformationen Basisdaten über einen Benutzer sind, wobei die Benutzerinformationen mindestens eine Art Basisinformationen, die für den Benutzer spezifisch sind, variable Informationen, die in Abhängigkeit des Zustandes eines Benutzers, einschließlich mindestens des gegenwärtigen Gesundheitszustands des Benutzers, variabel sind, und selektive, von dem Benutzer ausgewählte Informationen sind; wobei der Steuerungsteil ausgebildet ist, Benutzertypen basierend auf den Benutzerinformationen zu klassifizieren und eine Komfortzone in Übereinstimmung mit dem klassifizierten Benutzertyp zu ermitteln, wobei der Benutzertyp durch mindestens eine der Empfindlichkeiten gegenüber Temperatur, Feuchtigkeit, Luftrichtung und Luftgeschwindigkeit klassifiziert wird;
    wobei die Benutzerinformationen und die Klassifizierung des Benutzertyps durch eine Funktion in Beziehung gesetzt sind, die durch Erstellen von Statistiken der Benutzerinformationen bereitgestellt wird; und
    wobei die Komfortzone mit Enthalpien und Temperaturen auf einem psychrometrischen Diagramm definiert ist.
  2. Klimaanlage gemäß Anspruch 1, wobei eine Luftrichtung und eine Luftgeschwindigkeit der Klimaanlage basierend auf dem klassifizierten Benutzertyp gesteuert werden.
  3. Klimaanlage gemäß einem der Ansprüche 1 oder 2, wobei der Eingabeteil eine Kombination mindestens eines von einer Tastatur für den Benutzer zum persönlichen Eingeben der Benutzerinformationen, einer Kamera zum Erstellen einer Fotografie des Benutzers, einem Scanner zum Scannen der Fotografie eines Benutzers und einem Personalcomputer ist, der mit der Klimaanlage durch ein Netzwerk verbunden ist.
  4. Klimaanlage gemäß einem der Ansprüche 1 oder 2, ferner umfassend einen Ausgabeteil zum Anzeigen der gemäß dem Benutzertyp festgelegten Komfortzone.
  5. Klimaanlage gemäß einem der Ansprüche 1 oder 2, ferner umfassend einen Feuchtigkeits-Sensorteil zum Erfassen von Feuchtigkeit.
  6. Klimaanlage gemäß Anspruch 5, ferner umfassend einen Befeuchtungsteil und einen Entfeuchtungsteil.
  7. Klimaanlage gemäß einem der Ansprüche 1 oder 2, ferner umfassend einen Luftrichtungssteuerungsteil zum Steuern einer Luftrichtung von Luft aus der Klimaanlage.
  8. Verfahren zum Steuern einer Klimaanlage, umfassend die folgenden Schritte:
    Erfassen der Raum- und Außentemperatur;
    Erfassen der Feuchtigkeit;
    Eingeben von Benutzerinformationen;
    Ermitteln einer Komfortzone gemäß den Benutzerinformationen; und
    Steuern von Temperatur, Feuchtigkeit und Luftströmungsrate der Klimaanlage, sodass die Komfortzone erfüllt wird, wobei die Luftströmungsrate durch Steuern eines Verdampfergebläse-Antriebsteils der Klimaanlage gesteuert wird;
    gekennzeichnet durch
    Klassifizieren von Benutzertypen basierend auf den Benutzerinformationen; und
    Ermitteln der Komfortzone gemäß dem klassifizierten Benutzertyp;
    wobei die Benutzerinformationen Basisdaten über einen Benutzer sind, wobei die Benutzerinformationen mindestens eine Art Basisinformationen, die für den Benutzer spezifisch sind, variable Informationen, die in Abhängigkeit des Zustandes eines Benutzers, einschließlich mindestens des gegenwärtigen Gesundheitszustands des Benutzers, variabel sind, und selektive, von dem Benutzer ausgewählte Informationen sind;
    wobei die Benutzerinformationen und die Klassifizierung des Benutzertyps durch eine Funktion in Beziehung gesetzt werden, die durch Erstellen von Statistiken der Benutzerinformationen bereitgestellt wird, wobei der Benutzer durch mindestens eine der Empfindlichkeiten gegenüber Temperatur, Feuchtigkeit, Luftrichtung und Luftgeschwindigkeit klassifiziert wird; und wobei die Komfortzone mit Enthalpien und Temperaturen auf einem psychrometrischen Diagramm definiert wird.
  9. Verfahren gemäß Anspruch 8, wobei der Schritt des Ermittelns einer Komfortzone gemäß dem Benutzertyp den Schritt des Ermittelns der Temperatur, der Feuchtigkeit, der Luftrichtung und der Luftgeschwindigkeit beinhaltet.
EP03772921.7A 2003-11-19 2003-11-19 Klimaanlage und steuerverfahren dafür Expired - Lifetime EP1747408B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/KR2003/002490 WO2005050098A1 (en) 2003-11-19 2003-11-19 Air conditioner and method for controlling the same

Publications (2)

Publication Number Publication Date
EP1747408A1 EP1747408A1 (de) 2007-01-31
EP1747408B1 true EP1747408B1 (de) 2013-05-15

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Country Link
EP (1) EP1747408B1 (de)
CN (1) CN100513911C (de)
AU (1) AU2003280884A1 (de)
ES (1) ES2422305T3 (de)
WO (1) WO2005050098A1 (de)

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AU2003280884A1 (en) 2005-06-08
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EP1747408A1 (de) 2007-01-31
WO2005050098A1 (en) 2005-06-02
CN100513911C (zh) 2009-07-15

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